CN108352667A - Slip ring, motor and the vehicle with the motor - Google Patents

Slip ring, motor and the vehicle with the motor Download PDF

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Publication number
CN108352667A
CN108352667A CN201680066278.6A CN201680066278A CN108352667A CN 108352667 A CN108352667 A CN 108352667A CN 201680066278 A CN201680066278 A CN 201680066278A CN 108352667 A CN108352667 A CN 108352667A
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CN
China
Prior art keywords
slip ring
blade
ring ontology
ontology
axis
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201680066278.6A
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Chinese (zh)
Other versions
CN108352667B (en
Inventor
柳铉洙
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LG Innotek Co Ltd
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LG Innotek Co Ltd
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Filing date
Publication date
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Publication of CN108352667A publication Critical patent/CN108352667A/en
Application granted granted Critical
Publication of CN108352667B publication Critical patent/CN108352667B/en
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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R39/00—Rotary current collectors, distributors or interrupters
    • H01R39/02—Details for dynamo electric machines
    • H01R39/08—Slip-rings
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K13/00—Structural associations of current collectors with motors or generators, e.g. brush mounting plates or connections to windings; Disposition of current collectors in motors or generators; Arrangements for improving commutation
    • H02K13/003—Structural associations of slip-rings
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/14—Means for supporting or protecting brushes or brush holders
    • H02K5/141—Means for supporting or protecting brushes or brush holders for cooperation with slip-rings
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K9/00—Arrangements for cooling or ventilating
    • H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
    • H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K9/00—Arrangements for cooling or ventilating
    • H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
    • H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
    • H02K9/06—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Motor Or Generator Cooling System (AREA)

Abstract

The present invention relates to slip ring, motor and with the vehicle of the motor, slip ring includes：The slip ring ontology of tubular；Multiple blades, multiple blade are formed on the end of slip ring ontology and are stretched out along the longitudinally of slip ring ontology；And brush contact part, the brush contact part are arranged in the peripheral surface of slip ring ontology, wherein slip ring ontology is integrally formed with blade.Therefore, motor by the rotation of blade can dissipate the frictional heat generated by the friction between brush and slip ring and thus reduce the influence of heat, and the airborne dust that can also will be generated by the friction between brush and slip ring guides and be dispersed to outside.

Description

Slip ring, motor and the vehicle with the motor
Technical field
The present invention relates to slip ring, motor and with the vehicle of the motor.
Background technology
Motor is provided with：Axis, the axis are configured to be arranged in a rotatable way；Rotor, the rotor are attached to axis；And it is fixed Son, the stator are fixed inside the shell, and stator is installed with certain gap along the circumference of rotor.Motor is by rotor and determines Electric interactions between son cause the rotation of rotor.
In the case where being wound with coil on rotor, commutator and brush are set to be supplied to the coil being wrapped on rotor Electric current.
In general, commutator is attached to axis and is rotated in the state of being connected to coil, and brush is attached to shell simultaneously And it is arranged to contact with commutator.At this point, brush is contacted with commutator with to coil power supply.Here, slip ring may be used as Commutator.
Brush accommodate in the housing and be configured to by be supported on the elastic component being installed in shell with slip ring It is pressed in the state of contact.
However, having problems in that, between the slip ring rotated due to the brush of motor and in a manner of brush contact Brushing generate frictional heat.
Additionally, there are the problem of be, the slip ring rotated due to brush and in a manner of with brush contact is produced in motor Raw dust, and thus short circuit caused by dust.
Invention content
【Technical problem】
To solve the above-mentioned problems, the invention is intended to provide slip ring and with the motor of the slip ring, the slip ring and the motor Heat affecting can be reduced by dissipating the frictional heat caused by the brushing between brush and slip ring, and will be by brush and slip ring Between the dust guiding that generates of brushing or be dispersed to outside.
It should be pointed out that the purpose of the present invention is not limited to foregoing purpose, and according to being described below, of the invention other Purpose will be apparent to those skilled in the art.
【Technical solution】
One aspect of the present invention provides a kind of slip ring, which includes：The slip ring ontology of tubular；Multiple blades are more The length direction that a blade-shaped becomes from the end of slip ring ontology along slip ring ontology stretches out；And brush contact part, the brush Contact portion is arranged in the peripheral surface of slip ring ontology, wherein extends from the outer end of each blade in multiple blades First angle between imaginary line and the tangent line of the first imaginary circle from the inner end of each blade in multiple blades than extending Second angle between imaginary line and the tangent line of the second imaginary circle is big, center and the slip ring sheet of the first imaginary circle and the second imaginary circle The center of body is identical, and the tangent line of the first imaginary circle is the tangent line at the point that the first imaginary circle intersects with outer end, and second is false Think that round tangent line is the tangent line at point that the second imaginary circle intersects with inner end.
First imaginary circle can be the circle for the outer end for connecting multiple blades, and the second imaginary circle can be that connection is multiple The circle of the inner end of blade.
First angle can be in the range of 50 ° to 60 °, and second angle can be in the range of 25 ° to 35 °.
Multiple blades can the radial direction based on slip ring ontology tilted on the direction of rotation of slip ring ontology.
Multiple blades can the radial direction based on slip ring ontology on the direction opposite with the direction of rotation of slip ring ontology It tilts.
Another aspect provides a kind of slip ring, which includes：The slip ring ontology of tubular；Multiple blades are more The length direction that a blade-shaped becomes from the end of slip ring ontology along slip ring ontology stretches out；And brush contact part, the brush Contact portion is arranged in the peripheral surface of slip ring ontology, wherein is formed with connection holes in the centre of slip ring ontology, and more The inner end of each blade in a blade is all provided with to be set to be spaced apart with connection holes.
The outer end of each blade in multiple blades can be arranged towards the peripheral surface in outside and slip ring ontology Edge be spaced apart.
Another aspect of the invention provides a kind of slip ring, which includes：The slip ring ontology of tubular；Multiple blades are more The length direction that a blade-shaped becomes from the end of slip ring ontology along slip ring ontology stretches out；And brush contact part, the brush Contact portion is arranged in the peripheral surface of slip ring ontology, wherein when slip ring ontology rotates, is located at each of multiple blades Air on the inside of blade is moved to the outside of each blade in multiple blades.
It is yet another aspect of the present invention to provide a kind of motor, which includes：Stator；Rotor, the rotor are arranged in stator Inside；Axis, the axis are attached to rotor；And slip ring, the slip ring are arranged in the peripheral surface of axis, wherein slip ring includes：Tubular Slip ring ontology；And multiple blades, multiple blade-shapeds, which become from the end of slip ring ontology, stretches out, wherein slip ring ontology and more A blade is integrally formed.
Motor can also include bushing magnet assembly, the bushing magnet assembly be arranged the end of axis and be arranged to The inner end of each blade in multiple blades is spaced apart.
Bushing magnet assembly may include：Bushing；Magnet, the magnet are arranged in the end of bushing；And lid, the lid structure Cause covering magnet.
Magnet could be provided as SmCo (SmCo) magnet or neodymium (Nd) magnet.
Motor can also include brush holder, which is disposed over bushing magnet assembly and has shape At the ingate at a side of brush holder.
It is rotated with the rotation of axis by multiple blades, the air flowed in ingate can be in multiple blades and bushing It moves between magnet assembly, and is then moved along the direction vertical with the axis direction of axis.
The outer end of each blade in multiple blades can be arranged to be spaced apart with the inner surface of brush holder.
It can be moved along the direction of slip ring ontology along the air that square with the axis direction is moved with the rotation of axis.
It is yet another aspect of the present invention to provide a kind of vehicles including said motor according to the embodiment of the present invention.
【Advantageous effects】
According to the present embodiment, with previous configuration slip ring can be operating as by being integrally formed with blade from Core type fan.
Therefore, air flowing is produced in motor so that can will be revolved in a manner of with brush contact due to brush Brushing between the slip ring turned and the dust guiding that generates are dispersed to outside.
Further, since the frictional heat caused by the rotating contact between brush and slip ring of the temperature in motor and electric current Apply and increase, therefore can prevent the temperature in motor from increasing by the flowing of air so that can reduce and exist to setting The heat affecting of magnet in motor.
Description of the drawings
Fig. 1 is the figure for illustrating motor according to the embodiment of the present invention.
Fig. 2 is the cross-sectional view of the line A-A interceptions along Fig. 1 of motor according to the embodiment of the present invention.
Fig. 3 and Fig. 4 is the stereogram and plan view for illustrating slip ring according to the embodiment of the present invention.
Fig. 5 is to illustrate the process being according to the embodiment of the present invention assembled into slip ring and bushing magnet assembly in motor Figure.
Fig. 6 is the enlarged drawing of the region B of Fig. 2.
Fig. 7 is the cross-sectional view along the line C-C interceptions of Fig. 6.
Specific implementation mode
The present invention can be modified as various forms and can have various embodiments, and therefore will be attached Specific embodiment is illustrated in figure and specific embodiment is described.However, these embodiments should not be managed Solution should be interpreted as including to limit the invention to specific embodiment in the spirit and technical scope of the present invention Remodeling, equivalent program or alternative.
In addition, the term of the ordinal number used herein including first, second etc. can be used for describing various parts, but It is that various parts should not be limited by these terms.The purpose that these terms are only used to distinguish a component and another component.Example Such as, without departing substantially from the scope of the present invention, second component can be referred to as the first component, and similarly, first Part can also be referred to as second component.Term "and/or" includes multiple relevant list items purpose combinations or multiple relevant row Go out any one of project project.
When component is referred to as " connecting " or when " connection " to other component, which can be directly connected to or be attached directly to Other component it should be appreciated that may exist another component between the component and other component.On the contrary, working as portion When part is referred to as " being directly connected to " or " directly connection " to other component, it should be appreciated that the component and other component it Between another component can be not present.
In the description of embodiment, when component is described as being formed in " above and below " of another component, term " ... above and below " include following all situations：Two components are in direct contact with one another, or set between these two parts Set (indirectly) and be formed with one or more other components.In addition, when being expressed as " in ... above and below ", term " ... above and below " it can not only indicate the upward direction based on a component, but also also may indicate that based on a portion Part is in downward direction.
Terms used herein are only used for describing specific embodiment, and are not intended to the limitation present invention.Unless up and down Text is otherwise explicitly indicated, and otherwise singulative includes plural form.It should be understood that term "comprising", " comprising " and " tool Have " presence of feature as described herein, number, step, operation, component, part or combinations thereof is determined, but it is not excluded for one Or more other features, number, step, operation, component, part or combinations thereof presence or addition it is one or more its The possibility of his feature, number, step, operation, component, part or combinations thereof.
Unless otherwise defined, all terms used herein including technical term or scientific terminology have with The identical meaning of the normally understood meaning of those skilled in the art in the invention.Unless explicitly defined in the disclosure, otherwise word Generic term defined in allusion quotation should be interpreted as having the meaning consistent with the background of related field, and will should not be construed For with idealist or excessively formalistic meaning.
Hereinafter, embodiments of the present invention are described in detail with reference to the accompanying drawings, regardless of reference numeral, Identical or corresponding component is endowed identical reference numeral, and the repeated description that will omit identical or corresponding component.
Referring to Figure 1 to Figure 7, may include shell 10, slip ring 100, stator 200, rotor according to the motor of embodiment 1 300, coil 400, axis 500, brush 600, bushing magnet assembly 700 and brush holder 800.
Shell 10 may include upper shell 11 and lower casing 12.
Upper shell 11 and lower casing 12 can be coupled to each other to form the outside of motor 1.In addition, slip ring 100, stator 200, Rotor 300, coil 400, axis 500, brush 600 and bushing magnet assembly 700 can be arranged upper shell 11 and lower casing 12 it Between.As shown in Figures 1 and 2, axis 500 can be disposed through shell 10.
Slip ring 100 can be arranged at the peripheral surface of axis 500.
With reference to Fig. 3 to Fig. 4, slip ring 100 may include slip ring ontology 110, multiple blades 120 and brush contact part 130.
Slip ring ontology 110 can be formed as cylindrical form, and could be formed with connection in the centre of slip ring ontology 110 Hole 111 is to allow axis 500 that the centre in slip ring ontology 110 is arranged.
As shown in Figure 5, slip ring ontology 110 can be inserted and be assembled into axis 500 by pressure and revolved with the rotation with axis 500 Turn.
In addition, slip ring ontology 110 can be formed by the such as polyphenylene sulfide of the plastic material with heat resistance (PPS).
Multiple blades 120 can be integrally-formed as the length direction along slip ring ontology 110 from the end of slip ring ontology 110 It stretches out.In addition, multiple blades 120 can circumferentially be separated from each other in direction at predetermined intervals.
With reference to Fig. 4, multiple blades 120 can be arranged on the upper surface of slip ring ontology 110 113, and multiple blades 120 In the inner end 122 of each blade can be arranged to be spaced apart with connection holes 111.In addition, each of multiple blades 120 The outer end 121 of blade can be arranged towards between the outside of slip ring ontology 110 and the neighboring 112 of slip ring ontology 110 It separates.
When slip ring ontology 110 rotates, the air around the inner end 122 of each blade in multiple blades 120 The outboard end of each blade in multiple blades 120 can be moved to.That is, when multiple blades 120 rotate, it is located at Air around the inner end 122 of each blade in multiple blades 120 can be moved along the direction vertical with the axis direction of axis 500 It is dynamic.
Here, " outside " refer to the upper surface 113 based on slip ring ontology 110 in the rotation center based on axis 500 Outside in the radial direction, and " inside " refer to the upper surface 113 based on slip ring ontology 110 in the rotation based on axis 500 Turn the inside in the radial direction at center.
As shown in Figure 4, each blade in multiple blades 120, which can be formed such that, extends from outer end 121 Imaginary line L1With the first imaginary circle C1Tangent line PL1Between first angle θ1Than the imaginary line L extended from inner end 1222With Two imaginary circle C2Tangent line PL2Between second angle θ2Greatly.First angle θ1It is the angle of the entrance of air discharge, and the Two angle, θs2It is the angle of the outlet of air flowing.
Here, the first imaginary circle C1It is the circle of the outer end 121 of the multiple blades of connection 120, and the second imaginary circle C2It is to connect Connect the circle of the inner end 122 of multiple blades 120.Thus, the first imaginary circle C1With the second imaginary circle C2Center and slip ring ontology 110 center P is identical.
First imaginary circle C1The first tangent line PL1Can be in the first imaginary circle C1With each blade in multiple blades 120 The point that intersects of outer end 121 at tangent line, and the second imaginary circle C2Tangent line PL2Can be in the second imaginary circle C2With it is more The tangent line at point that the inner end 122 of each blade in a blade 120 intersects.Tangent line is defined as in tangent line and imaginary circle phase The line vertical with the radius of imaginary circle at the point of friendship.
Multiple blades 120 can radially forming based on upper surface 113.As shown in Figure 4, multiple blades 120 In each blade can be tilted along the direction of rotation R of slip ring ontology 110.That is, with reference to the accompanying drawings, multiple blades 120 In each blade can be formed as extending to its outer end from its inner end 122 with each blade in multiple blades 120 Portion 121 and more tilted along the direction of rotation of slip ring ontology 110.However, the invention is not limited thereto, and in multiple blades 120 Each blade can be formed as the radial direction based on slip ring ontology 110 along opposite with the direction of rotation of slip ring ontology 110 Direction tilts.
It interval between multiple blades 120 can be equally spaced from one another or can be at specific section equably It is spaced apart.Each blade in multiple blades 120 can be in the form of substantially straight line, but is meeting first angle θ1It is more than Second angle θ2Condition in the case of can also have scheduled curvature.
Table 1 is shown according to first angle θ1With second angle θ2It is generated when motor is rotated with the speed of 10000rpm The flow (unit ccm) of gas stream.
[table 1]
θ2\θ1 50 55 60
25 2.4 2.5 2.65
30 2.3 2.78 2.7
35 2.7 2.34 2.79
As shown in table 1, as first angle θ1In the range of 50 ° to 60 ° and second angle θ2In 25 ° to 35 ° of model When enclosing interior, it can be seen that the flow of gas increases to about 2.78ccm, and thus the expulsion efficiency of air increase.
In addition, when each blade in multiple blades 120 is tilted along the direction of rotation of slip ring ontology 110, measure Obtain excellent effect.
Therefore, the angle, θ of each blade in multiple blades 1201And θ2The flow direction of air and control can be set Flow.
Meanwhile multiple blades 120 can be integrally formed with slip ring ontology 110.In addition, each of multiple blades 120 Blade can be formed by plastic material such as PPS.
Brush contact part 130 can be arranged at the peripheral surface of slip ring ontology 110.
Brush contact part 130 can be formed as circular in configuration or cylindrical form.In addition, brush contact part 130 can To be formed by the material comprising copper.For example, brush contact part 130 can be formed by copper alloy or stainless steel.
Stator 200 can be arranged in shell 10 and may include multiple magnets.Multiple magnets and it is wrapped in rotor 300 On coil 400 form rotating excitation field together.These magnets may be disposed so that the center of the poles N and the poles S based on axis 500 along Circumferential direction is alternately arranged.Here, stator 200 can be manufactured by combining multiple separate core or can be with single core Form manufacture.
Rotor 300 is arranged in stator 200.
Rotor 300 may include：Core, axis 500 are attached to the center of the core in the core；And slot, the slot surround core shape At and coil 400 be wrapped on slot.At this point, slot can be arranged to face to stator 200.In addition, coil 400 is wrapped in slot On each slot.In addition, insulator can be equipped at slot so that slot insulate with coil 400.
When supplying electric current to coil 400, the electric interactions between coil 400 and the magnet of stator 200 are initiated, and And thus rotor 300 rotate.When rotor 300 rotates, axis 500 also rotates.At this point, axis 500 can be supported on bearing.
In addition, when axis 500 rotates, slip ring 100 can also rotate.
Meanwhile the coil 400 being wrapped on rotor 300 can be supplied an electric current to by slip ring 100 and brush 600.It is sliding Ring 100 is electrically connected to coil 400, and brush 600 is electrically connected to the brush contact part 130 of slip ring 100.
In addition, brush 600 can be arranged to be in close contact with the brush contact part 130 of slip ring 100.For example, brush 600 It can be arranged to be in close contact with the brush contact part 130 of slip ring 100 using elastic component such as helical spring.
In addition, brush 600 can apply external drive signal to coil 400.
Here, brush 600 can be formed by the material comprising graphite and copper.
Brush 600 is contacted with the brush contact part 130 of the slip ring 100 of rotation to apply electric current, and axis 500 and brush 600 temperature is increased due to electric current and frictional heat.Thus, the heat conducted via axis 500 may influence bushing magnet assembly 700 Magnet 720.
As shown in figures 6 and 7, bushing magnet assembly 700 can be arranged in the end of axis 500, and can be with cunning The inner end 122 of each blade in multiple blades 120 of ring 100 is spaced apart.
Therefore, it each blade in multiple blades 120 of slip ring 100 and can be formed between bushing magnet assembly 700 The flowing space S that air can move through.
Thus, when multiple blades 120 rotate, the air flowing in flowing space S is moved to the outer of multiple blades 120 Side (along the direction vertical with the axis direction of axis 500).
Referring to figure 5 and figure 6, bushing magnet assembly 700 may include bushing 710, magnet 720 and lid 730.
Lid 730 by the way that magnet 720 to be bound to the end of bushing 710 and can be fitted into lining by bushing magnet assembly 700 It is formed in set 710.At this point, lid 730 is plugged to prevent magnet 720 from being separated with bushing 710.
Assembled bushing magnet assembly 700 can be inserted into the end of axis 500 by pressure and be arranged in the end of axis 500 Place.
Bushing 710 be arranged between axis 500 and magnet 720, and thus magnet 720 be arranged to be spaced apart with axis 500.Cause And being conducted via axis 500 can be reduced to influence the heat of magnet 720 by bushing 710.
In addition, the peripheral surface of bushing 710 can be arranged to each blade in multiple blades 120 with slip ring 100 Inside is spaced apart.Therefore, flowing space S can be formed in each blade and bushing 710 in multiple blades 120 of slip ring 100 Between.
When slip ring 100 rotates, bushing 710 can be cooled by moving through the air of flowing space S so that warp Influence of the heat conducted by axis 500 to magnet 720 can further decrease.
Therefore, SmCo (SmCo) magnet may be used as magnet 720, but as noted previously, as bushing 710 is reduced to magnetic The heat affecting of body 720, therefore low-grade SmCo magnets or Nd magnets can be used as magnet 720 to reduce production cost.
Lid 730 can be disposed over and protect magnet 720 and prevent magnet 720 from being separated with bushing 710.
As illustrated in fig 2 and fig, brush holder 800 can be arranged at upper shell 11 and can be disposed over Brush 600 and bushing magnet assembly 700.
It could be formed with accommodation space in brush holder 800, and brush 600 and bushing magnet assembly 700 can be set It sets in the accommodation space.
Meanwhile as shown in Figure 6, it could be formed with ingate 810 at a side of brush holder 800.
Extraneous air can be flowed to across ingate 810 in motor 1, and by the rotation of multiple blades 120, pass through into The air that oral pore 810 flows into can move between each blade in multiple blades 120 and bushing magnet assembly 700, and It then can be mobile along the direction (radial direction) vertical with the axis direction of axis 500.
Therefore, slip ring 100 may be used as centrifugal fan.
In addition, as shown in Figure 6, the outer end 121 of each blade in multiple blades 120 can be arranged to protect with brush The inner surface 820 of gripping member 800 is spaced apart.
Therefore, it can be moved towards brush 600 by the air that the rotation of multiple blades 120 is moved in an outward direction, Dust to be disperseed or is guided to outside.
Arrow shown in Fig. 6 indicates the air flow line along air movement.
With reference to Fig. 6, in motor 1, is flowed into across ingate 810 and the air that is moved in flowing space S is by being used as The rotation of multiple blades 120 of centrifugal fan operating and be moved to the outside of each blade in multiple blades 120.
Thus, the air for being moved to the outside of each blade in the multiple blade 120 is moved towards slip ring ontology 110 It is dynamic.That is, as shown in Figure 6, the air in the outside for each blade being moved in multiple blades 120 can be set in direction It sets when brush contact part 130 and brush 600 at slip ring ontology 110 are moved and dust is disperseed or is guided to outside to remove Dust.
Meanwhile motor 1 can be arranged and be used at vehicle (not shown) and in vehicle (not shown).
For example, motor 1 may be used as the ABS motors used in anti-lock braking system (ABS), the driving horse for startup Wiper motor up to (starter motor) or for making the wiper of vehicle pivot.
Although being described with reference to embodiments of the present invention it should be appreciated that without departing substantially from this hair In the case of the bright spirit being defined by the following claims and the scope of the present invention, those skilled in the art in the invention can To design various modifications and the remodeling of the present invention.However, it should be understood that with these various modifications and the related difference of remodeling It is different to fall within the scope of the present invention as defined by the accompanying claims.
[reference sign]
1：Motor, 10：Shell, 100：Slip ring, 200：Stator, 300：Rotor, 400：Coil, 500：Axis, 600：Brush, 700：Bushing magnet assembly, 710：Bushing, 720：Magnet, 730：Lid, 800：Brush holder and 810：Ingate.

Claims (17)

1. a kind of slip ring, including：
The slip ring ontology of tubular；
Multiple blades, the length direction that the multiple blade-shaped becomes from the end of the slip ring ontology along the slip ring ontology are stretched Go out；And
Brush contact part, the brush contact part are arranged in the peripheral surface of the slip ring ontology,
Wherein, the imaginary line (L extended from the outer end of each blade in the multiple blade1) and the first imaginary circle (C1) Tangent line (PL1) between first angle (θ1) than the imaginary line that extends from the inner end of each blade in the multiple blade (L2) and the second imaginary circle (C2) tangent line (PL2) between second angle (θ2) greatly,
First imaginary circle (the C1) center and the second imaginary circle (C2) center and the slip ring ontology center phase Together,
First imaginary circle (the C1) the tangent line be the first imaginary circle (C1) cutting at the point that intersects with the outer end Line, and
Second imaginary circle (the C2) the tangent line be the second imaginary circle (C2) cutting at the point that intersects with the inner end Line.
2. slip ring according to claim 1, wherein：
First imaginary circle (the C1) be the outer end for connecting the multiple blade circle；And
Second imaginary circle (the C2) be the inner end for connecting the multiple blade circle.
3. slip ring according to claim 1, wherein：
First angle (the θ1) in the range of 50 ° to 60 °；And
Second angle (the θ2) in the range of 25 ° to 35 °.
4. slip ring according to claim 1, wherein radial direction of the multiple blade based on the slip ring ontology is in institute It states and is tilted on the direction of rotation of slip ring ontology.
5. slip ring according to claim 1, wherein radial direction of the multiple blade based on the slip ring ontology with The direction of rotation of the slip ring ontology tilts on opposite direction.
6. a kind of slip ring, including：
The slip ring ontology of tubular；
Multiple blades, the length direction that the multiple blade-shaped becomes from the end of the slip ring ontology along the slip ring ontology are stretched Go out；And
Brush contact part, the brush contact part are arranged in the peripheral surface of the slip ring ontology,
Wherein, connection holes are formed in the centre of the slip ring ontology, and each blade in the multiple blade is interior End is all provided with to be set to and is spaced apart with the connection holes.
7. slip ring according to claim 6, wherein the outer end of each blade in the multiple blade, which is all provided with, is set to court It is spaced apart outward with the edge of the peripheral surface of the slip ring ontology.
8. a kind of slip ring, including：
The slip ring ontology of tubular；
Multiple blades, the length direction that the multiple blade-shaped becomes from the end of the slip ring ontology along the slip ring ontology are stretched Go out；And
Brush contact part, the brush contact part are arranged in the peripheral surface of the slip ring ontology,
Wherein, when the slip ring ontology rotates, the air on the inside of each blade in the multiple blade is moved to institute State the outside of each blade in multiple blades.
9. a kind of motor, including：
Stator；
Rotor, the rotor are arranged on the inside of the stator；
Axis, the axis are attached to the rotor；And
Slip ring, the slip ring are arranged in the peripheral surface of the axis,
Wherein, the slip ring includes：
The slip ring ontology of tubular；And
Multiple blades, the multiple blade-shaped, which becomes from the end of the slip ring ontology, stretches out,
Wherein, the slip ring ontology and the multiple blade are integrally formed.
10. motor according to claim 9 further includes the bushing magnet assembly being arranged in the end of the axis, wherein The bushing magnet assembly is arranged to be spaced apart with the inner end of each blade in the multiple blade.
11. motor according to claim 10, wherein the bushing magnet assembly includes：
Bushing；
Magnet, the magnet are arranged in the end of the bushing；And
Lid, the lid are configured to cover the magnet.
12. motor according to claim 10, wherein the magnet is set as SmCo (SmCo) magnet or neodymium (Nd) magnetic Body.
13. motor according to claim 10 further includes brush holder, the brush holder is disposed over described Bushing magnet assembly and with being formed in ingate at a side of the brush holder.
14. motor according to claim 13, wherein it is rotated by rotation of the multiple blade with the axis, The air flowed in the ingate moves between the multiple blade and the bushing magnet assembly, then edge and the axis Axis direction it is vertical direction movement.
15. motor according to claim 14, wherein the outer end of each blade in the multiple blade, which is all provided with, to be set to It is spaced apart with the inner surface of the brush holder.
16. motor according to claim 15, wherein moved along the direction vertical with the axis with the rotation of the axis The dynamic air is moved along the direction of the slip ring ontology.
17. a kind of includes the vehicle according at least one motor in claim 9 to 16.
CN201680066278.6A 2015-12-29 2016-11-07 Slip ring, motor and vehicle having the same Active CN108352667B (en)

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CN108352667B (en) 2020-09-25
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WO2017115997A1 (en) 2017-07-06
US20180331482A1 (en) 2018-11-15
KR20170078285A (en) 2017-07-07

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